Warning: Permanently added '10.128.1.14' (ED25519) to the list of known hosts. 2025/10/23 19:36:30 parsed 1 programs [ 81.293049][ T5832] cgroup: Unknown subsys name 'net' [ 81.387612][ T5832] cgroup: Unknown subsys name 'cpuset' [ 81.396080][ T5832] cgroup: Unknown subsys name 'rlimit' [ 82.921180][ T5832] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 85.603773][ T5844] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 86.441150][ T5860] chnl_net:caif_netlink_parms(): no params data found [ 86.524589][ T5860] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.532173][ T5860] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.539426][ T5860] bridge_slave_0: entered allmulticast mode [ 86.547503][ T5860] bridge_slave_0: entered promiscuous mode [ 86.559996][ T5860] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.567200][ T5860] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.574474][ T5860] bridge_slave_1: entered allmulticast mode [ 86.582522][ T5860] bridge_slave_1: entered promiscuous mode [ 86.632821][ T5860] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.654641][ T5860] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.699536][ T5860] team0: Port device team_slave_0 added [ 86.708487][ T5860] team0: Port device team_slave_1 added [ 86.748423][ T5860] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.755657][ T5860] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 86.781963][ T5860] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.797710][ T5860] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.804749][ T5860] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 86.831562][ T5860] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.889569][ T5860] hsr_slave_0: entered promiscuous mode [ 86.896399][ T5860] hsr_slave_1: entered promiscuous mode [ 87.027890][ T5860] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 87.039087][ T5860] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.049102][ T5860] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.058937][ T5860] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.085790][ T5860] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.092957][ T5860] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.100699][ T5860] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.107848][ T5860] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.160604][ T5860] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.179534][ T1079] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.188242][ T1079] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.203065][ T5860] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.216408][ T1103] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.223540][ T1103] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.236354][ T1079] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.243589][ T1079] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.412070][ T5860] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.452509][ T5860] veth0_vlan: entered promiscuous mode [ 87.465785][ T5860] veth1_vlan: entered promiscuous mode [ 87.494336][ T5860] veth0_macvtap: entered promiscuous mode [ 87.503754][ T5860] veth1_macvtap: entered promiscuous mode [ 87.521743][ T5860] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 87.532795][ T5860] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 87.552579][ T1079] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.563311][ T1079] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.572246][ T1079] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.583797][ T1079] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 87.711123][ T1079] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.808827][ T1079] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.909250][ T1079] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.997764][ T1079] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 89.308012][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 89.316227][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 89.323852][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 89.331989][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 89.339939][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 89.585075][ T1103] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.593172][ T1103] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 89.619033][ T1103] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 89.627134][ T1103] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/10/23 19:36:42 executed programs: 0 [ 90.052804][ T5149] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.060771][ T5149] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.068459][ T5149] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.078873][ T5149] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.086933][ T5149] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 90.232550][ T5939] chnl_net:caif_netlink_parms(): no params data found [ 90.304420][ T5939] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.311571][ T5939] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.319012][ T5939] bridge_slave_0: entered allmulticast mode [ 90.326247][ T5939] bridge_slave_0: entered promiscuous mode [ 90.335009][ T5939] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.342123][ T5939] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.349346][ T5939] bridge_slave_1: entered allmulticast mode [ 90.356570][ T5939] bridge_slave_1: entered promiscuous mode [ 90.387534][ T5939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.399442][ T5939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.433400][ T5939] team0: Port device team_slave_0 added [ 90.441512][ T5939] team0: Port device team_slave_1 added [ 90.472045][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.479212][ T5939] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 90.505887][ T5939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.518035][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.525635][ T5939] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 90.551946][ T5939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.623008][ T5939] hsr_slave_0: entered promiscuous mode [ 90.629497][ T5939] hsr_slave_1: entered promiscuous mode [ 90.636143][ T5939] debugfs: 'hsr0' already exists in 'hsr' [ 90.641954][ T5939] Cannot create hsr debugfs directory [ 90.707929][ T1079] bridge_slave_1: left allmulticast mode [ 90.713671][ T1079] bridge_slave_1: left promiscuous mode [ 90.720299][ T1079] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.730753][ T1079] bridge_slave_0: left allmulticast mode [ 90.736950][ T1079] bridge_slave_0: left promiscuous mode [ 90.742801][ T1079] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.945720][ T1079] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 90.957305][ T1079] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 90.967714][ T1079] bond0 (unregistering): Released all slaves [ 91.102453][ T1079] hsr_slave_0: left promiscuous mode [ 91.108874][ T1079] hsr_slave_1: left promiscuous mode [ 91.115134][ T1079] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 91.122539][ T1079] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 91.135103][ T1079] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 91.142572][ T1079] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 91.167646][ T1079] veth1_macvtap: left promiscuous mode [ 91.173288][ T1079] veth0_macvtap: left promiscuous mode [ 91.179276][ T1079] veth1_vlan: left promiscuous mode [ 91.185824][ T1079] veth0_vlan: left promiscuous mode [ 91.555517][ T1079] team0 (unregistering): Port device team_slave_1 removed [ 91.580393][ T1079] team0 (unregistering): Port device team_slave_0 removed [ 91.712272][ T797] cfg80211: failed to load regulatory.db [ 92.104981][ T52] Bluetooth: hci0: command tx timeout [ 92.251181][ T5939] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.270450][ T5939] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.593819][ T5939] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.605084][ T5939] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.753206][ T5939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.791443][ T5939] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.809766][ T1103] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.816999][ T1103] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.900204][ T50] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.907445][ T50] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.307989][ T5939] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.413927][ T5939] veth0_vlan: entered promiscuous mode [ 93.436408][ T5939] veth1_vlan: entered promiscuous mode [ 93.470111][ T5939] veth0_macvtap: entered promiscuous mode [ 93.481962][ T5939] veth1_macvtap: entered promiscuous mode [ 93.510210][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.526176][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.545912][ T1103] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.566208][ T1103] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.591480][ T1103] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.602509][ T1103] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.662178][ T1103] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.682403][ T1103] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.721363][ T1103] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.730450][ T1103] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.806788][ T6013] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 93.851265][ T6013] FAULT_INJECTION: forcing a failure. [ 93.851265][ T6013] name failslab, interval 1, probability 0, space 0, times 1 [ 93.867565][ T6013] CPU: 0 UID: 0 PID: 6013 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 93.867588][ T6013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 93.867605][ T6013] Call Trace: [ 93.867612][ T6013] [ 93.867619][ T6013] dump_stack_lvl+0x189/0x250 [ 93.867650][ T6013] ? __pfx____ratelimit+0x10/0x10 [ 93.867670][ T6013] ? __pfx_dump_stack_lvl+0x10/0x10 [ 93.867690][ T6013] ? __pfx__printk+0x10/0x10 [ 93.867715][ T6013] ? __pfx___might_resched+0x10/0x10 [ 93.867731][ T6013] ? fs_reclaim_acquire+0x7d/0x100 [ 93.867760][ T6013] should_fail_ex+0x414/0x560 [ 93.867785][ T6013] should_failslab+0xa8/0x100 [ 93.867814][ T6013] __kmalloc_cache_node_noprof+0x88/0x6f0 [ 93.867838][ T6013] ? __get_vm_area_node+0x13f/0x300 [ 93.867865][ T6013] __get_vm_area_node+0x13f/0x300 [ 93.867891][ T6013] __vmalloc_node_range_noprof+0x32d/0x1470 [ 93.867915][ T6013] ? kvm_arch_prepare_memory_region+0x33b/0xed0 [ 93.867933][ T6013] ? __lock_acquire+0xab9/0xd20 [ 93.867979][ T6013] ? rcu_is_watching+0x15/0xb0 [ 93.867997][ T6013] ? trace_contention_end+0x39/0x120 [ 93.868018][ T6013] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 93.868056][ T6013] ? kvm_arch_prepare_memory_region+0x33b/0xed0 [ 93.868072][ T6013] __vmalloc_noprof+0xb1/0xf0 [ 93.868099][ T6013] ? kvm_arch_prepare_memory_region+0x33b/0xed0 [ 93.868120][ T6013] kvm_arch_prepare_memory_region+0x33b/0xed0 [ 93.868142][ T6013] ? kvm_gmem_bind+0x21d/0x490 [ 93.868165][ T6013] kvm_set_memslot+0x599/0x1310 [ 93.868183][ T6013] ? kvm_check_memslot_overlap+0x301/0x380 [ 93.868200][ T6013] ? kvm_set_memory_region+0x747/0xb90 [ 93.868224][ T6013] kvm_set_memory_region+0x966/0xb90 [ 93.868255][ T6013] kvm_vm_ioctl_set_memory_region+0x6f/0xd0 [ 93.868275][ T6013] kvm_vm_ioctl+0x957/0xc60 [ 93.868294][ T6013] ? __pfx_kvm_vm_ioctl+0x10/0x10 [ 93.868344][ T6013] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 93.868375][ T6013] ? do_vfs_ioctl+0xbe8/0x1430 [ 93.868399][ T6013] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 93.868426][ T6013] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 93.868487][ T6013] ? __fget_files+0x2a/0x420 [ 93.868512][ T6013] ? __fget_files+0x3a0/0x420 [ 93.868530][ T6013] ? __fget_files+0x2a/0x420 [ 93.868553][ T6013] ? bpf_lsm_file_ioctl+0x9/0x20 [ 93.868571][ T6013] ? __pfx_kvm_vm_ioctl+0x10/0x10 [ 93.868588][ T6013] __se_sys_ioctl+0xfc/0x170 [ 93.868616][ T6013] do_syscall_64+0xfa/0xfa0 [ 93.868635][ T6013] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.868655][ T6013] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.868672][ T6013] ? clear_bhb_loop+0x60/0xb0 [ 93.868693][ T6013] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.868709][ T6013] RIP: 0033:0x7fdf34b8efc9 [ 93.868728][ T6013] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 93.868742][ T6013] RSP: 002b:00007fdf35ac7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.868761][ T6013] RAX: ffffffffffffffda RBX: 00007fdf34de5fa0 RCX: 00007fdf34b8efc9 [ 93.868773][ T6013] RDX: 0000200000000180 RSI: 0000000040a0ae49 RDI: 0000000000000004 [ 93.868783][ T6013] RBP: 00007fdf35ac7090 R08: 0000000000000000 R09: 0000000000000000 [ 93.868794][ T6013] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 93.868803][ T6013] R13: 00007fdf34de6038 R14: 00007fdf34de5fa0 R15: 00007ffe38ee75a8 [ 93.868832][ T6013] [ 93.868891][ T6013] syz.0.17: vmalloc error: size 4, vm_struct allocation failed, mode:0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 94.190381][ T52] Bluetooth: hci0: command tx timeout [ 94.200977][ T6013] ,cpuset=/,mems_allowed=0-1 [ 94.226786][ T6013] CPU: 1 UID: 0 PID: 6013 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 94.226806][ T6013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 94.226816][ T6013] Call Trace: [ 94.226821][ T6013] [ 94.226827][ T6013] dump_stack_lvl+0x189/0x250 [ 94.226848][ T6013] ? __pfx_rcu_read_unlock_special+0x10/0x10 [ 94.226871][ T6013] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.226888][ T6013] ? __pfx__printk+0x10/0x10 [ 94.226904][ T6013] ? cpuset_print_current_mems_allowed+0x1f/0x360 [ 94.226923][ T6013] ? cpuset_print_current_mems_allowed+0x1f/0x360 [ 94.226947][ T6013] warn_alloc+0x214/0x310 [ 94.226973][ T6013] ? __pfx_warn_alloc+0x10/0x10 [ 94.227000][ T6013] ? __get_vm_area_node+0x13f/0x300 [ 94.227031][ T6013] ? __get_vm_area_node+0x2b5/0x300 [ 94.227072][ T6013] __vmalloc_node_range_noprof+0x352/0x1470 [ 94.227101][ T6013] ? __lock_acquire+0xab9/0xd20 [ 94.227139][ T6013] ? rcu_is_watching+0x15/0xb0 [ 94.227154][ T6013] ? trace_contention_end+0x39/0x120 [ 94.227171][ T6013] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 94.227201][ T6013] ? kvm_arch_prepare_memory_region+0x33b/0xed0 [ 94.227215][ T6013] __vmalloc_noprof+0xb1/0xf0 [ 94.227234][ T6013] ? kvm_arch_prepare_memory_region+0x33b/0xed0 [ 94.227250][ T6013] kvm_arch_prepare_memory_region+0x33b/0xed0 [ 94.227269][ T6013] ? kvm_gmem_bind+0x21d/0x490 [ 94.227306][ T6013] kvm_set_memslot+0x599/0x1310 [ 94.227320][ T6013] ? kvm_check_memslot_overlap+0x301/0x380 [ 94.227344][ T6013] ? kvm_set_memory_region+0x747/0xb90 [ 94.227361][ T6013] kvm_set_memory_region+0x966/0xb90 [ 94.227382][ T6013] kvm_vm_ioctl_set_memory_region+0x6f/0xd0 [ 94.227396][ T6013] kvm_vm_ioctl+0x957/0xc60 [ 94.227409][ T6013] ? __pfx_kvm_vm_ioctl+0x10/0x10 [ 94.227443][ T6013] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 94.227465][ T6013] ? do_vfs_ioctl+0xbe8/0x1430 [ 94.227483][ T6013] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 94.227502][ T6013] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 94.227544][ T6013] ? __fget_files+0x2a/0x420 [ 94.227561][ T6013] ? __fget_files+0x3a0/0x420 [ 94.227575][ T6013] ? __fget_files+0x2a/0x420 [ 94.227591][ T6013] ? bpf_lsm_file_ioctl+0x9/0x20 [ 94.227603][ T6013] ? __pfx_kvm_vm_ioctl+0x10/0x10 [ 94.227615][ T6013] __se_sys_ioctl+0xfc/0x170 [ 94.227635][ T6013] do_syscall_64+0xfa/0xfa0 [ 94.227649][ T6013] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.227663][ T6013] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.227675][ T6013] ? clear_bhb_loop+0x60/0xb0 [ 94.227690][ T6013] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.227701][ T6013] RIP: 0033:0x7fdf34b8efc9 [ 94.227712][ T6013] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 94.227722][ T6013] RSP: 002b:00007fdf35ac7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.227734][ T6013] RAX: ffffffffffffffda RBX: 00007fdf34de5fa0 RCX: 00007fdf34b8efc9 [ 94.227743][ T6013] RDX: 0000200000000180 RSI: 0000000040a0ae49 RDI: 0000000000000004 [ 94.227751][ T6013] RBP: 00007fdf35ac7090 R08: 0000000000000000 R09: 0000000000000000 [ 94.227758][ T6013] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 94.227765][ T6013] R13: 00007fdf34de6038 R14: 00007fdf34de5fa0 R15: 00007ffe38ee75a8 [ 94.227785][ T6013] [ 94.227800][ T6013] Mem-Info: [ 94.565567][ T6013] active_anon:39634 inactive_anon:0 isolated_anon:0 [ 94.565567][ T6013] active_file:461 inactive_file:51756 isolated_file:0 [ 94.565567][ T6013] unevictable:768 dirty:12048 writeback:1000 [ 94.565567][ T6013] slab_reclaimable:10637 slab_unreclaimable:79322 [ 94.565567][ T6013] mapped:10244 shmem:1356 pagetables:776 [ 94.565567][ T6013] sec_pagetables:0 bounce:0 [ 94.565567][ T6013] kernel_misc_reclaimable:0 [ 94.565567][ T6013] free:1361125 free_pcp:23466 free_cma:0 [ 94.613503][ T6013] Node 0 active_anon:158536kB inactive_anon:0kB active_file:1844kB inactive_file:206820kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:40976kB dirty:46380kB writeback:5800kB shmem:3888kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:9748kB pagetables:2996kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB [ 94.646359][ T6013] Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:204kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:12kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:48kB pagetables:108kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB [ 94.677604][ T6013] Node 0 DMA free:15360kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 94.708349][ T6013] lowmem_reserve[]: 0 2494 2496 2496 2496 [ 94.727477][ T6013] Node 0 DMA32 free:1543188kB boost:0kB min:34216kB low:42768kB high:51320kB reserved_highatomic:0KB free_highatomic:0KB active_anon:158464kB inactive_anon:0kB active_file:1844kB inactive_file:206820kB unevictable:1536kB writepending:44080kB zspages:0kB present:3129332kB managed:2554796kB mlocked:0kB bounce:0kB free_pcp:70856kB local_pcp:37284kB free_cma:0kB [ 94.766266][ T6013] lowmem_reserve[]: 0 0 1 1 1 [ 94.771035][ T6013] Node 0 Normal free:0kB boost:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:1132kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 94.801516][ T6013] lowmem_reserve[]: 0 0 0 0 0 [ 94.806619][ T6013] Node 1 Normal free:3885952kB boost:0kB min:55668kB low:69584kB high:83500kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:204kB unevictable:1536kB writepending:12kB zspages:0kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:22960kB local_pcp:8088kB free_cma:0kB [ 94.839906][ T6013] lowmem_reserve[]: 0 0 0 0 0 [ 94.844774][ T6013] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB [ 94.857751][ T6013] Node 0 DMA32: 1490*4kB (UM) 485*8kB (U) 89*16kB (UME) 168*32kB (U) 33*64kB (UE) 32*128kB (UME) 27*256kB (UE) 16*512kB (UM) 13*1024kB (UM) 8*2048kB (UME) 361*4096kB (M) = 1546304kB [ 94.876100][ T6013] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 94.890576][ T6013] Node 1 Normal: 194*4kB (UME) 53*8kB (UME) 35*16kB (UME) 27*32kB (UME) 15*64kB (UME) 5*128kB (UME) 5*256kB (UME) 3*512kB (ME) 2*1024kB (UM) 1*2048kB (U) 946*4096kB (M) = 3885952kB [ 94.912034][ T6013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 94.922252][ T6013] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 94.931892][ T6013] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 94.951750][ T6013] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 94.961859][ T6013] 53569 total pagecache pages [ 94.967374][ T6013] 0 pages in swap cache [ 94.971534][ T6013] Free swap = 124996kB [ 94.976143][ T6013] Total swap = 124996kB [ 94.980315][ T6013] 2097051 pages RAM [ 94.992301][ T6013] 0 pages HighMem/MovableOnly [ 94.997415][ T6013] 426454 pages reserved [ 95.001573][ T6013] 0 pages cma reserved [ 95.007795][ T6012] ================================================================== [ 95.015873][ T6012] BUG: KASAN: slab-use-after-free in kvm_gmem_release+0x176/0x440 [ 95.023683][ T6012] Write of size 8 at addr ffff88803340f108 by task syz.0.17/6012 [ 95.031381][ T6012] [ 95.033694][ T6012] CPU: 1 UID: 0 PID: 6012 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 95.033708][ T6012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 95.033716][ T6012] Call Trace: [ 95.033721][ T6012] [ 95.033726][ T6012] dump_stack_lvl+0x189/0x250 [ 95.033742][ T6012] ? __kasan_check_byte+0x12/0x40 [ 95.033766][ T6012] ? __pfx_dump_stack_lvl+0x10/0x10 [ 95.033779][ T6012] ? lock_release+0x4b/0x3e0 [ 95.033799][ T6012] ? __virt_addr_valid+0x4a5/0x5c0 [ 95.033815][ T6012] print_report+0xca/0x240 [ 95.033831][ T6012] ? kvm_gmem_release+0x176/0x440 [ 95.033843][ T6012] kasan_report+0x118/0x150 [ 95.033862][ T6012] ? kvm_gmem_release+0x176/0x440 [ 95.033877][ T6012] kvm_gmem_release+0x176/0x440 [ 95.033891][ T6012] ? __pfx_kvm_gmem_release+0x10/0x10 [ 95.033913][ T6012] ? evm_file_release+0x101/0x1e0 [ 95.033936][ T6012] ? __pfx_kvm_gmem_release+0x10/0x10 [ 95.033953][ T6012] __fput+0x44c/0xa70 [ 95.033973][ T6012] task_work_run+0x1d4/0x260 [ 95.033991][ T6012] ? __pfx_task_work_run+0x10/0x10 [ 95.034008][ T6012] ? exit_to_user_mode_loop+0x40/0x130 [ 95.034026][ T6012] exit_to_user_mode_loop+0xe9/0x130 [ 95.034044][ T6012] do_syscall_64+0x2bd/0xfa0 [ 95.034063][ T6012] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.034077][ T6012] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.034089][ T6012] ? clear_bhb_loop+0x60/0xb0 [ 95.034102][ T6012] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.034114][ T6012] RIP: 0033:0x7fdf34b8efc9 [ 95.034125][ T6012] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 95.034138][ T6012] RSP: 002b:00007ffe38ee7708 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 95.034151][ T6012] RAX: 0000000000000000 RBX: 00007fdf34de7da0 RCX: 00007fdf34b8efc9 [ 95.034159][ T6012] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 95.034166][ T6012] RBP: 00007fdf34de7da0 R08: 0000000000000000 R09: 0000000438ee79ff [ 95.034174][ T6012] R10: 00007fdf34de7cb0 R11: 0000000000000246 R12: 0000000000017182 [ 95.034182][ T6012] R13: 00007ffe38ee7800 R14: ffffffffffffffff R15: 00007ffe38ee7820 [ 95.034196][ T6012] [ 95.034201][ T6012] [ 95.251354][ T6012] Allocated by task 6013: [ 95.255670][ T6012] kasan_save_track+0x3e/0x80 [ 95.260350][ T6012] __kasan_kmalloc+0x93/0xb0 [ 95.264936][ T6012] __kmalloc_cache_noprof+0x3e2/0x700 [ 95.270305][ T6012] kvm_set_memory_region+0x747/0xb90 [ 95.275588][ T6012] kvm_vm_ioctl_set_memory_region+0x6f/0xd0 [ 95.281467][ T6012] kvm_vm_ioctl+0x957/0xc60 [ 95.285954][ T6012] __se_sys_ioctl+0xfc/0x170 [ 95.290537][ T6012] do_syscall_64+0xfa/0xfa0 [ 95.295044][ T6012] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.300924][ T6012] [ 95.303235][ T6012] Freed by task 6013: [ 95.307200][ T6012] kasan_save_track+0x3e/0x80 [ 95.311877][ T6012] kasan_save_free_info+0x46/0x50 [ 95.316894][ T6012] __kasan_slab_free+0x5c/0x80 [ 95.321655][ T6012] kfree+0x19a/0x6d0 [ 95.325543][ T6012] kvm_set_memory_region+0x9c4/0xb90 [ 95.330829][ T6012] kvm_vm_ioctl_set_memory_region+0x6f/0xd0 [ 95.336739][ T6012] kvm_vm_ioctl+0x957/0xc60 [ 95.341237][ T6012] __se_sys_ioctl+0xfc/0x170 [ 95.345827][ T6012] do_syscall_64+0xfa/0xfa0 [ 95.350348][ T6012] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.356239][ T6012] [ 95.358572][ T6012] The buggy address belongs to the object at ffff88803340f000 [ 95.358572][ T6012] which belongs to the cache kmalloc-cg-512 of size 512 [ 95.372874][ T6012] The buggy address is located 264 bytes inside of [ 95.372874][ T6012] freed 512-byte region [ffff88803340f000, ffff88803340f200) [ 95.386667][ T6012] [ 95.389001][ T6012] The buggy address belongs to the physical page: [ 95.395407][ T6012] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3340c [ 95.404166][ T6012] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 95.412671][ T6012] memcg:ffff888074eb1201 [ 95.416919][ T6012] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 95.424452][ T6012] page_type: f5(slab) [ 95.428442][ T6012] raw: 00fff00000000040 ffff88813fe30140 dead000000000100 dead000000000122 [ 95.437018][ T6012] raw: 0000000000000000 0000000000100010 00000000f5000000 ffff888074eb1201 [ 95.445600][ T6012] head: 00fff00000000040 ffff88813fe30140 dead000000000100 dead000000000122 [ 95.454273][ T6012] head: 0000000000000000 0000000000100010 00000000f5000000 ffff888074eb1201 [ 95.462935][ T6012] head: 00fff00000000002 ffffea0000cd0301 00000000ffffffff 00000000ffffffff [ 95.471622][ T6012] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 95.480293][ T6012] page dumped because: kasan: bad access detected [ 95.486704][ T6012] page_owner tracks the page as allocated [ 95.492407][ T6012] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5204, tgid 5204 (udevd), ts 32680520733, free_ts 32658969921 [ 95.513146][ T6012] post_alloc_hook+0x240/0x2a0 [ 95.517914][ T6012] get_page_from_freelist+0x2365/0x2440 [ 95.523463][ T6012] __alloc_frozen_pages_noprof+0x181/0x370 [ 95.529260][ T6012] alloc_pages_mpol+0x232/0x4a0 [ 95.534104][ T6012] allocate_slab+0x96/0x3a0 [ 95.538590][ T6012] ___slab_alloc+0xe94/0x18a0 [ 95.543250][ T6012] __slab_alloc+0x65/0x100 [ 95.547661][ T6012] __kmalloc_node_track_caller_noprof+0x5d0/0x810 [ 95.554072][ T6012] kmalloc_reserve+0x136/0x290 [ 95.558845][ T6012] __alloc_skb+0x142/0x2d0 [ 95.563252][ T6012] alloc_skb_with_frags+0xca/0x890 [ 95.568353][ T6012] sock_alloc_send_pskb+0x84d/0x980 [ 95.573539][ T6012] unix_dgram_sendmsg+0x461/0x1850 [ 95.578634][ T6012] __sock_sendmsg+0x21c/0x270 [ 95.583296][ T6012] sock_write_iter+0x279/0x360 [ 95.588039][ T6012] vfs_write+0x5c9/0xb30 [ 95.592264][ T6012] page last free pid 5198 tgid 5198 stack trace: [ 95.598568][ T6012] __free_frozen_pages+0xbc8/0xd30 [ 95.603672][ T6012] __put_partials+0x146/0x170 [ 95.608339][ T6012] put_cpu_partial+0x1f2/0x2e0 [ 95.613101][ T6012] __slab_free+0x2b9/0x390 [ 95.617503][ T6012] qlist_free_all+0x97/0x140 [ 95.622081][ T6012] kasan_quarantine_reduce+0x148/0x160 [ 95.627529][ T6012] __kasan_slab_alloc+0x22/0x80 [ 95.632367][ T6012] kmem_cache_alloc_noprof+0x37d/0x700 [ 95.637814][ T6012] getname_flags+0xb8/0x540 [ 95.642306][ T6012] do_sys_openat2+0xbc/0x1c0 [ 95.646885][ T6012] __x64_sys_openat+0x138/0x170 [ 95.651733][ T6012] do_syscall_64+0xfa/0xfa0 [ 95.656230][ T6012] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.662127][ T6012] [ 95.664436][ T6012] Memory state around the buggy address: [ 95.670048][ T6012] ffff88803340f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.678093][ T6012] ffff88803340f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.686136][ T6012] >ffff88803340f100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.694201][ T6012] ^ [ 95.698509][ T6012] ffff88803340f180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.706559][ T6012] ffff88803340f200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 95.714607][ T6012] ================================================================== [ 95.731798][ T6012] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 95.739012][ T6012] CPU: 1 UID: 0 PID: 6012 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 95.748105][ T6012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 95.758146][ T6012] Call Trace: [ 95.761412][ T6012] [ 95.764331][ T6012] dump_stack_lvl+0x99/0x250 [ 95.768913][ T6012] ? __asan_memcpy+0x40/0x70 [ 95.773491][ T6012] ? __pfx_dump_stack_lvl+0x10/0x10 [ 95.778678][ T6012] ? __pfx__printk+0x10/0x10 [ 95.783260][ T6012] vpanic+0x237/0x6d0 [ 95.787242][ T6012] ? __pfx_vpanic+0x10/0x10 [ 95.791779][ T6012] ? preempt_schedule+0xae/0xc0 [ 95.796624][ T6012] ? __pfx_preempt_schedule+0x10/0x10 [ 95.801995][ T6012] panic+0xb9/0xc0 [ 95.805725][ T6012] ? __pfx_panic+0x10/0x10 [ 95.810148][ T6012] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 95.816031][ T6012] ? kvm_gmem_release+0x176/0x440 [ 95.821130][ T6012] check_panic_on_warn+0x89/0xb0 [ 95.826068][ T6012] ? kvm_gmem_release+0x176/0x440 [ 95.831080][ T6012] end_report+0x78/0x160 [ 95.835315][ T6012] kasan_report+0x129/0x150 [ 95.839811][ T6012] ? kvm_gmem_release+0x176/0x440 [ 95.844826][ T6012] kvm_gmem_release+0x176/0x440 [ 95.849673][ T6012] ? __pfx_kvm_gmem_release+0x10/0x10 [ 95.855038][ T6012] ? evm_file_release+0x101/0x1e0 [ 95.860071][ T6012] ? __pfx_kvm_gmem_release+0x10/0x10 [ 95.865432][ T6012] __fput+0x44c/0xa70 [ 95.869413][ T6012] task_work_run+0x1d4/0x260 [ 95.873998][ T6012] ? __pfx_task_work_run+0x10/0x10 [ 95.879100][ T6012] ? exit_to_user_mode_loop+0x40/0x130 [ 95.884557][ T6012] exit_to_user_mode_loop+0xe9/0x130 [ 95.889836][ T6012] do_syscall_64+0x2bd/0xfa0 [ 95.894414][ T6012] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.899610][ T6012] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.905686][ T6012] ? clear_bhb_loop+0x60/0xb0 [ 95.910354][ T6012] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.916242][ T6012] RIP: 0033:0x7fdf34b8efc9 [ 95.920650][ T6012] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 95.940332][ T6012] RSP: 002b:00007ffe38ee7708 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 95.948731][ T6012] RAX: 0000000000000000 RBX: 00007fdf34de7da0 RCX: 00007fdf34b8efc9 [ 95.956693][ T6012] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 95.964666][ T6012] RBP: 00007fdf34de7da0 R08: 0000000000000000 R09: 0000000438ee79ff [ 95.972626][ T6012] R10: 00007fdf34de7cb0 R11: 0000000000000246 R12: 0000000000017182 [ 95.980586][ T6012] R13: 00007ffe38ee7800 R14: ffffffffffffffff R15: 00007ffe38ee7820 [ 95.988557][ T6012] [ 95.991974][ T6012] Kernel Offset: disabled [ 95.996304][ T6012] Rebooting in 86400 seconds..